Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers.
NORMA vydána dne 29.2.1988
Designation standards: BS 6950:1988
Note: NEPLATNÁ
Publication date standards: 29.2.1988
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technické normy BS